"John loved to debate politics, history, what was going on in the world. He liked the theater of it. Once he came down to dinner dressed in Maasai warrior attire. Why not? Just for the fun of it, a new way of addressing the table and to get things rolling."
-William Noonan, childhood friend of John's, from his memoir, "Forever Young: My Friendship With John F. Kennedy Jr."

Here's a type of Maasai warrior costume: